The Bailey B200 is a British single cylinder, four valve, four stroke aircraft engine, designed and produced by Bailey Aviation of Bassingbourn, Royston, specifically for paramotors, powered hang gliders, microlights and ultralight aircraft.
[1][2][3] The B200 was designed specifically as a more fuel efficient and quieter replacement for small two-stroke engines that are typically used on this class of aircraft.
The B200 has a displacement of 200 cc (12.2 cu in), includes standard electric starting and capacitor discharge ignition.
It produces 22 hp (16 kW) and drives a propeller through a 3.2:1 belt style reduction drive.
[1][2][3] Data from Airborne Windsports[2]